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A103810
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Primes from merging of 4 successive digits in decimal expansion of the Golden Ratio; (1+sqrt(5))/2.
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20
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9887, 6563, 8117, 7207, 9391, 3911, 8807, 8689, 2663, 5443, 3389, 5939, 6131, 1319, 2087, 6689, 2221, 6269, 2963, 9631, 1361, 2203, 4547, 9241, 3449, 8467, 7433, 4339, 4877, 7499, 9887, 4007, 6521, 7057, 7517, 5179, 7883, 7589, 7621, 6217, 1117, 1777
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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COMMENTS
| Leading zeroes are not permitted, so each term is 4 digits in length. [From Harvey P. Dale, Oct 23 2011]
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LINKS
| The Golden Ratio as explained at MathWorld.com
Expansion of the Golden Ratio done to 20,000 digits as part of project Gutenberg.
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MATHEMATICA
| With[{len=4}, FromDigits/@Select[Partition[RealDigits[GoldenRatio, 10, 1000][[1]], len, 1], PrimeQ[FromDigits[#]] && IntegerLength[ FromDigits[#]] == len&]] (* From Harvey P. Dale, Oct 23 2011 *)
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CROSSREFS
| Sequence in context: A022199 A203809 A001230 * A205612 A205350 A187868
Adjacent sequences: A103807 A103808 A103809 * A103811 A103812 A103813
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KEYWORD
| nonn,base
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AUTHOR
| Andrew G. West (WestA(AT)wlu.edu), Mar 29 2005
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